Flights from Philadelphia to Chicago

Cheapest flights from Philadelphia

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jun 16 - Thu, Jun 19

PHL

Philadelphia Intl.

ORD

O'Hare Intl.

$153 Roundtrip, found 10 hours ago

$153

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Mon, Jun 16 from Philadelphia Intl. to O'Hare Intl., returning Thu, Jun 19, priced at $153 found 10 hours ago

Mon, Jun 16 - Sun, Jun 22

PHL

Philadelphia Intl.

ORD

O'Hare Intl.

$163 Roundtrip, found 10 hours ago

$163

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Mon, Jun 16 from Philadelphia Intl. to O'Hare Intl., returning Sun, Jun 22, priced at $163 found 10 hours ago

Thu, Jul 3 - Sat, Jul 5

PHL

Philadelphia Intl.

ORD

O'Hare Intl.

$173 Roundtrip, found 1 day ago

$173

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 3 from Philadelphia Intl. to O'Hare Intl., returning Sat, Jul 5, priced at $173 found 1 day ago

Mon, Jun 30 - Thu, Jul 3

PHL

Philadelphia Intl.

ORD

O'Hare Intl.

$174 Roundtrip, found 4 days ago

$174

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Jun 30 from Philadelphia Intl. to O'Hare Intl., returning Thu, Jul 3, priced at $174 found 4 days ago

Thu, Jul 3 - Sat, Jul 5

PHL

Philadelphia Intl.

ORD

O'Hare Intl.

$179 Roundtrip, found 1 day ago

$179

Roundtrip

found 1 day ago

Select Delta flight, departing Thu, Jul 3 from Philadelphia Intl. to O'Hare Intl., returning Sat, Jul 5, priced at $179 found 1 day ago

Fri, Jun 27 - Fri, Jul 4

PHL

Philadelphia Intl.

MDW

Midway Intl.

$184 Roundtrip, found 3 days ago

$184

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Jun 27 from Philadelphia Intl. to Midway Intl., returning Fri, Jul 4, priced at $184 found 3 days ago

Mon, Jun 30 - Sun, Jul 6

PHL

Philadelphia Intl.

ORD

O'Hare Intl.

$184 Roundtrip, found 4 days ago

$184

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Jun 30 from Philadelphia Intl. to O'Hare Intl., returning Sun, Jul 6, priced at $184 found 4 days ago

Thu, Jul 3 - Sat, Jul 5

PHL

Philadelphia Intl.

ORD

O'Hare Intl.

$189 Roundtrip, found 1 day ago

$189

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Jul 3 from Philadelphia Intl. to O'Hare Intl., returning Sat, Jul 5, priced at $189 found 1 day ago

Wed, Jun 18 - Sun, Jun 22

PHL

Philadelphia Intl.

ORD

O'Hare Intl.

$191 Roundtrip, found 10 hours ago

$191

Roundtrip

found 10 hours ago

Select American Airlines flight, departing Wed, Jun 18 from Philadelphia Intl. to O'Hare Intl., returning Sun, Jun 22, priced at $191 found 10 hours ago

Fri, Jun 20 - Mon, Jun 23

PHL

Philadelphia Intl.

ORD

O'Hare Intl.

$194 Roundtrip, found 10 hours ago

$194

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Fri, Jun 20 from Philadelphia Intl. to O'Hare Intl., returning Mon, Jun 23, priced at $194 found 10 hours ago

Thu, Jul 3 - Sat, Jul 5

PHL

Philadelphia Intl.

ORD

O'Hare Intl.

$197 Roundtrip, found 1 day ago

$197

Roundtrip

found 1 day ago

Select Delta flight, departing Thu, Jul 3 from Philadelphia Intl. to O'Hare Intl., returning Sat, Jul 5, priced at $197 found 1 day ago

Wed, Jun 18 - Sun, Jun 22

PHL

Philadelphia Intl.

ORD

O'Hare Intl.

$197 Roundtrip, found 10 hours ago

$197

Roundtrip

found 10 hours ago

Select American Airlines flight, departing Wed, Jun 18 from Philadelphia Intl. to O'Hare Intl., returning Sun, Jun 22, priced at $197 found 10 hours ago

Fri, Jun 20 - Sun, Jun 22

PHL

Philadelphia Intl.

ORD

O'Hare Intl.

$204 Roundtrip, found 10 hours ago

$204

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Fri, Jun 20 from Philadelphia Intl. to O'Hare Intl., returning Sun, Jun 22, priced at $204 found 10 hours ago

Thu, Jul 3 - Sat, Jul 5

PHL

Philadelphia Intl.

ORD

O'Hare Intl.

$206 Roundtrip, found 1 day ago

$206

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Jul 3 from Philadelphia Intl. to O'Hare Intl., returning Sat, Jul 5, priced at $206 found 1 day ago

Tue, Jun 3 - Sat, Jun 7

ABE

Lehigh Valley Intl.

ORD

O'Hare Intl.

$209 Roundtrip, found 4 days ago

$209

Roundtrip

found 4 days ago

Select American Airlines flight, departing Tue, Jun 3 from Lehigh Valley Intl. to O'Hare Intl., returning Sat, Jun 7, priced at $209 found 4 days ago

Wed, Jun 18 - Sun, Jun 22

PHL

Philadelphia Intl.

ORD

O'Hare Intl.

$211 Roundtrip, found 10 hours ago

$211

Roundtrip

found 10 hours ago

Select American Airlines flight, departing Wed, Jun 18 from Philadelphia Intl. to O'Hare Intl., returning Sun, Jun 22, priced at $211 found 10 hours ago

Thu, Jul 3 - Sat, Jul 5

PHL

Philadelphia Intl.

ORD

O'Hare Intl.

$214 Roundtrip, found 1 day ago

$214

Roundtrip

found 1 day ago

Select Delta flight, departing Thu, Jul 3 from Philadelphia Intl. to O'Hare Intl., returning Sat, Jul 5, priced at $214 found 1 day ago

Tue, Jun 17 - Sat, Jun 21

PHL

Philadelphia Intl.

ORD

O'Hare Intl.

$226 Roundtrip, found 10 hours ago

$226

Roundtrip

found 10 hours ago

Select JetBlue Airways flight, departing Tue, Jun 17 from Philadelphia Intl. to O'Hare Intl., returning Sat, Jun 21, priced at $226 found 10 hours ago

Wed, Jun 18 - Sun, Jun 22

PHL

Philadelphia Intl.

ORD

O'Hare Intl.

$227 Roundtrip, found 10 hours ago

$227

Roundtrip

found 10 hours ago

Select United flight, departing Wed, Jun 18 from Philadelphia Intl. to O'Hare Intl., returning Sun, Jun 22, priced at $227 found 10 hours ago

Thu, Jun 26 - Sun, Jul 6

TTN

Mercer

MDW

Midway Intl.

$392 Roundtrip, found 3 days ago

$392

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Jun 26 from Mercer to Midway Intl., returning Sun, Jul 6, priced at $392 found 3 days ago